'Project Fission' is part of a long-term effort by Mozilla to harden Firefox's defenses by isolating malicious sites and components. Mozilla on Tuesday announced that a years-long effort to harden ...

Mozilla is currently testing a new security architecture for its Firefox browser in nightly and beta channels that sees each site be put into its own operating system process. As it currently stands, ...

Site Isolation is a modern browser security feature that works by separating each web page and web iframes in their own operating system process in order to prevent sites from tampering or stealing ...